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S41040

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S41040 S41050
#S41040

Description

USA UNS S41040 Martensitic special steel and S41040 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: S41040
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel S41040 UNS USA Martensitic special steel
S32950
7-MoPLUS
7-MoPLUS
S41008
S41008
Type410S
Type410S
Type410Cb(XM-30)
Type410Cb(XM-30)
S41040

Chemical composition(mass fraction)(wt.%) of the S41040

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Nb(%)
0.15 1 1 Max 0.04 Max 0.03 11.5-13.5 0.05-0.20

Mechanical Properties of steel grade S41040

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
324 (≥) 941 (≥) 13 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade S41040

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
34 - -     0.13 -  
325 158 - 21.3 424   -  
137 - 11 13.2   311 341

Heat Treatment of steel grade S41040

Heat treated : 1148°C - 1139°C

Technological Curves of steel grade S41040

Cross Reference Table (Equivalent Grade) of S41040

Grade Standard Country Application
S41040 UNS USA Martensitic special steel
S41040 UNS USA Martensitic special steel
S41040 S41050
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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